@article{1103065863,
author = {Frosini, Patrizio and Mulazzani, Michele},
title = {Size homotopy groups for computation of natural size distances},
journal = {Bull. Belg. Math. Soc. Simon Stevin},
volume = {6},
number = {4},
year = {1999},
pages = { 455-464},
language = {en},
url = {http://dml.mathdoc.fr/item/1103065863}
}
Frosini, Patrizio; Mulazzani, Michele. Size homotopy groups for computation of natural size distances. Bull. Belg. Math. Soc. Simon Stevin, Tome 6 (1999) no. 4, pp. 455-464. http://gdmltest.u-ga.fr/item/1103065863/